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1042115250401 is a prime number
BaseRepresentation
bin11110010101000101110…
…10001100100011100001
310200121212210200211000222
433022202322030203201
5114033223001003101
62114424030252425
7135201405321431
oct17124272144341
93617783624028
101042115250401
11371a5a988965
12149b76357115
137736a648554
143861d9102c1
151c193cc901b
hexf2a2e8c8e1

1042115250401 has 2 divisors, whose sum is σ = 1042115250402. Its totient is φ = 1042115250400.

The previous prime is 1042115250373. The next prime is 1042115250427. The reversal of 1042115250401 is 1040525112401.

It is a happy number.

It is an a-pointer prime, because the next prime (1042115250427) can be obtained adding 1042115250401 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905540656801 + 136574593600 = 951599^2 + 369560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042115250401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042115253401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521057625200 + 521057625201.

It is an arithmetic number, because the mean of its divisors is an integer number (521057625201).

Almost surely, 21042115250401 is an apocalyptic number.

It is an amenable number.

1042115250401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042115250401 is an equidigital number, since it uses as much as digits as its factorization.

1042115250401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 1042115250401 in words is "one trillion, forty-two billion, one hundred fifteen million, two hundred fifty thousand, four hundred one".